Base | Representation |
---|---|
bin | 10010011111011… |
… | …11100101111010 |
3 | 101210220000102211 |
4 | 21033233211322 |
5 | 304202401132 |
6 | 23220445334 |
7 | 3562341565 |
oct | 1117574572 |
9 | 353800384 |
10 | 155122042 |
11 | 7a620539 |
12 | 43b4984a |
13 | 261a33ba |
14 | 1685d4dc |
15 | d942147 |
hex | 93ef97a |
155122042 has 32 divisors (see below), whose sum is σ = 261835200. Its totient is φ = 68491008.
The previous prime is 155122021. The next prime is 155122063. The reversal of 155122042 is 240221551.
It is an interprime number because it is at equal distance from previous prime (155122021) and next prime (155122063).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69313 + ... + 71515.
It is an arithmetic number, because the mean of its divisors is an integer number (8182350).
Almost surely, 2155122042 is an apocalyptic number.
155122042 is a deficient number, since it is larger than the sum of its proper divisors (106713158).
155122042 is a wasteful number, since it uses less digits than its factorization.
155122042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2350.
The product of its (nonzero) digits is 800, while the sum is 22.
The square root of 155122042 is about 12454.7999582490. The cubic root of 155122042 is about 537.3094815678.
Adding to 155122042 its reverse (240221551), we get a palindrome (395343593).
The spelling of 155122042 in words is "one hundred fifty-five million, one hundred twenty-two thousand, forty-two".
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